Difference between revisions of "Artemisia ludoviciana subsp. ludoviciana"
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Revision as of 20:21, 16 December 2019
Stems (gray to white) mostly simple, 30–80 cm, tomentose. Leaves gray; blades linear to narrowly elliptic, 3–11 cm, margins plane (proximalmost entire or apically lobed, lobes to 1/3 blade lengths; cauline 1.5–11 × 1–1.5 cm, entire or lobed to pinnatifid), faces densely tomentose. Heads in congested, paniculiform or racemiform arrays 5–30 × 1–4 cm. Involucres 3–4 × 2–4 mm. Florets: pistillate 5–12; bisexual 6–30; corollas 1.9–2.8 mm. 2n = 18, 36.
Phenology: Flowering mid summer–late fall.
Habitat: Disturbed roadsides, open meadows, rocky slopes
Elevation: 100–3000 m
Distribution
Alta., B.C., Man., N.B., Ont., P.E.I., Que., Sask., Ala., Ariz., Ark., Calif., Colo., Conn., Del., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., Wis., Wyo.
Discussion
Subspecies ludoviciana is widespread in North America in diverse habitats. It is the most common subspecies and the most variable morphologically.
Selected References
None.